code: def test_degree_centrality_3(self):
      d = nx.degree_centrality(self.K)
      exact = {
          0: 0.444,
          1: 0.444,
          2: 0.333,
          3: 0.667,
          4: 0.333,
          5: 0.556,
          6: 0.556,
          7: 0.333,
          8: 0.222,
          9: 0.111,
      }
      for n, dc in d.items():
          assert exact[n] == pytest.approx(float(f"{dc:.3f}"), abs=1e-7)
  
file_path: networkx/networkx/algorithms/centrality/tests/test_degree_centrality.py
imports: import pytest
  import networkx
label_desc: Use image node_id 4 for calling the TestDegreeCentrality obj's underlying member method code with example usage: obj.test_degree_centrality_3() without return types